Answer:
Step-by-step explanation:
Let X be the exam scores of all applicants at a large university
X is given to be N(300, 70)
Applicants must score 230 or more on the exam before they are admitted
i.e. proportion of all applicants taking the exam is granted admission
=
=0.8413
Nearly 84.13% of applicants applied are granted admission.
b) proportion of all applicants will score 440 or higher on the exam
=
c) No of applicants = 2400
Admission to the university =0.8413 *2400
= 2019.12
2019